GOSS icon

Gossamer Bio

123 hedge funds and large institutions have $218M invested in Gossamer Bio in 2025 Q2 according to their latest regulatory filings, with 33 funds opening new positions, 41 increasing their positions, 24 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
123
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$4.37M
Puts
$222K
Net Calls
Net Calls Change

Top Buyers

1 +$9.89M
2 +$2.49M
3 +$1.74M
4
Vanguard Group
Vanguard Group
Pennsylvania
+$1.45M
5
Renaissance Technologies
Renaissance Technologies
New York
+$1.27M

Top Sellers

1 -$2.76M
2 -$2.4M
3 -$2.38M
4
Marshall Wace
Marshall Wace
United Kingdom
-$1.89M
5
MAM
Monaco Asset Management
Monaco
-$1.42M
Name Holding Trade Value Shares
Change
Change in
Stake
51
$417K
52
$385K
53
$369K
54
$307K
55
$304K
56
$294K
57
$287K
58
$284K
59
$279K
60
$198K
61
$170K
62
$151K
63
$146K
64
$142K
65
$130K
66
$129K
67
$128K
68
$122K
69
$121K
70
$121K
71
$118K
72
$117K
73
$111K
74
$110K
75
$101K